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Level control and max. limitation

Level control of the feedwater and pressure expansion vessel is achieved by means of a NRG 16-52 multiple level-control conductivity electrode.The NRS 1-55 level switch is used for the level control (pump ON/OFF), and the NRS 1-52 for the separate high level alarm.

The switchpoints for the multiple level-control electrode are set by shortening the individual electrode tips until the desired switchpoint is reached.